can step
Regular verb: step - stepped- stepped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can step
you can step
she can step
we can step
you can step
they can step 	I can be stepping
you can be stepping
she can be stepping
we can be stepping
you can be stepping
they can be stepping	I can have stepped
you can have stepped
she can have stepped
we can have stepped
you can have stepped
they can have stepped	I can have been stepping
you can have been stepping
she can have been stepping
we can have been stepping
you can have been stepping
they can have been stepping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't step
you can't step
she can't step
we can't step
you can't step
they can't step 	I can't be stepping
you can't be stepping
she can't be stepping
we can't be stepping
you can't be stepping
they can't be stepping	I can't have stepped
you can't have stepped
she can't have stepped
we can't have stepped
you can't have stepped
they can't have stepped	I can't have been stepping
you can't have been stepping
she can't have been stepping
we can't have been stepping
you can't have been stepping
they can't have been stepping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I step?
can you step?
can she step?
can we step?
can you step?
can they step? 	can I be stepping?
can you be stepping?
can she be stepping?
can we be stepping?
can you be stepping?
can they be stepping? 	can I have stepped?
can you have stepped?
can she have stepped?
can we have stepped?
can you have stepped?
can they have stepped? 	can I have been stepping?
can you have been stepping?
can she have been stepping?
can we have been stepping?
can you have been stepping?
can they have been stepping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I step?
can't you step?
can't she step?
can't we step?
can't you step?
can't they step? 	can't I be stepping?
can't you be stepping?
can't she be stepping?
can't we be stepping?
can't you be stepping?
can't they be stepping? 	can't I have stepped?
can't you have stepped?
can't she have stepped?
can't we have stepped?
can't you have stepped?
can't they have stepped? 	can't I have been stepping?
can't you have been stepping?
can't she have been stepping?
can't we have been stepping?
can't you have been stepping?
can't they have been stepping?